Guide Questions: 1. How did you find the activity? 2. How are you able to connect this activity in your daily life? In the preceding activity, item numbers 1 and 5 represents a one- to-one function since each student has a unique LRN and in item number 5, there is no y - value which is paired with the same x- values. Item numbers 2 to 4 does not represent a one-to-one function. In item number 3, the value of domain is repeated 3,1 and 3,2 . Also in number 4, it has a y-value that arc paired up with two different x- values; 2,2 and 3,2.